wierd grind

D15, D16, D17 and Mini-Me swaps
 Reply
User avatar

wierd grind

By ikon
- Wed Apr 15, 2009 1:23 am #110637 when my rpms reach 3100 there is a sudden grind that last only a split second. it happens when i accelerate and deccelerate.i just installed an apexi vafc and i set the vtec to kick in at 3100 so i think its something with that but im not sure, any suggestions. its a d16z6.
User avatar

By blockustomz
- Wed Apr 15, 2009 1:27 am #110640 you should never mess with vtec with out upgrading the head!.. your destroying your engine.. set it back to stock or bring it to a dyno for proper tune bro
User avatar

By Mr. Pink
- Wed Apr 15, 2009 1:36 am #110645 NEVER touch your vtec engagement point with out any supporting mods. your vtec should kick in as the stock setting of 4500-4800rpm not at 3100
User avatar

By ej2rey
- Wed Apr 15, 2009 1:41 am #110648 Wow 3100 for vtec engagement! Bad idea.
Anyways that might be your problem. I think stock vtec engagement for d series is more like around 5k some where.
User avatar

By ikon
- Wed Apr 15, 2009 1:52 am #110652 i set it back already and it still does it
User avatar

By Mr. Pink
- Wed Apr 15, 2009 1:55 am #110654 you screwed up your head more than likely.
User avatar

By ikon
- Wed Apr 15, 2009 2:00 am #110657 still runs fine. only does it in 3rd through 5th. i doubt i ruined my head.
User avatar

By ej2rey
- Wed Apr 15, 2009 2:18 am #110663 Oh! only in 3rd and 5th? I don't think I read that part on your first post. Well, it can be a possibility that it can be your tranny if its only on those 2 gears.
Am guessing it only does it at high rpms. Does the grinding sound come while shifting or only when accelerating? And does it feel like the car stops going anywhere while is grinding? If it does feel like the car does feel like it wants to stop going or feel like its slipping then yeah maybe your tranny.
User avatar

By ikon
- Wed Apr 15, 2009 2:21 am #110665 no its in 3rd 4th and 5th and only for a split second at 3100 rpms. i just rebuilt the tranny so thats not it.
User avatar

By ej2rey
- Wed Apr 15, 2009 2:34 am #110675 Ok I think I probably figured out your problem man.
Do you have an after market exhaust or have you done anything to your exhaust?

What think is that the way the shift linkage is possitioned for 3rd, 4th and 5th gear your exhaust might be touching your linkage and vibrating on to it. It happens to me. But that's cus I have 2 1/2 straight piping. It started with me when I did the new exhaust.
 Reply
Return to D Series